Using LM324 and OP07 for controlling voltage

[MD MUBDIUL HASAN]

I think this article is important for the shunt sensing we are discussing.
Need to calculate CMRR. Don't you feel common-mode rejection properties and resistor matching issues?
https://e2e.ti.com/blogs_/archives/...nce-amp-sometimes-1-resistors-are-good-enough